Research Article

Oxidative Damage in Human Periodontal Ligament Fibroblast (hPLF) after Methylmercury Exposure

Figure 4

Percentage of DNA damage in the tail of hPLF kept under control (0 μM MeHg) and exposed to 0.3 and 3 μM MeHg for 24 h. Data are expressed as (). Different letters indicate significantly different mean values among treatments.